Self-mating beam interlocking or interfitting joint



FIG. 1 is a perspective view of a self-mating beam interlocking or interfitting joint in accordance with the invention; and,

FIG. 2 is an end view of the self-mating beam interlocking or interfitting joint shown in FIG. 1.

The broken line showing of the self mating beam interlocking or interfitting joint in FIGS. 1-2 are for the purpose of the environment and forms no part of the claimed design. 

CLAIM The ornamental design for self-mating beam interlocking or interfitting joint, as shown and described in FIGS. 1 and
 2. 